Helium
Schuch A F, Mills R L
Physical Review Letters 6 (1961) 596-597
New allotropic form of He3
Locality: synthetic
Sample: at T = 18.76 K & P = .171 GPa
_database_code_amcsd 0015271
4.242 4.242 4.242 90 90 90 Fm3m
atom x y z
He   0 0 0